HTML中链接邮件地址：
<!DOCTYPE html>
<html>
<body>
<address>
Written by <a href="mailto:webmaster@example.com">Donald Duck</a>.<br>
Visit us at:<br>
Example.com<br>
Box 564, Disneyland<br>
USA
</address>
</body>
</html>
结果：
Written by Donald Duck.
Visit us at:
Example.com
Box 564, Disneyland
USA
HTML <abbr> 标签标记一个缩写:
<!DOCTYPE HTML>
<html>
<body>
The <abbr title="People's Republic of China">PRC</abbr> was founded in 1949.
</body>
</html>
结果：
